CN101521817A - Method and terminal for improving mobile telephone television program broadcasting continuity - Google Patents
Method and terminal for improving mobile telephone television program broadcasting continuity Download PDFInfo
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Abstract
The invention discloses a method and a terminal for improving the mobile telephone television program broadcasting continuity, belonging to the field of mobile telephone televisions. The method for improving the mobile telephone television program broadcasting continuity comprises the steps as follows: in the process of broadcasting a first channel, when receiving the command on changing from a first channel broadcasting programs to a second channel, the mobile terminal starts to receive data on the second channel and does not stop the first channel to broadcast the program until the mobile terminal receives data packet on the second channel, and then programs of the second channel are broadcasted. The invention ensures continuative images and sound on the mobile telephone television channels when the mobile telephone television channels are changed by a mobile telephone user so that the audio visual experience of the mobile telephone user is improved.
Description
Technical field
The present invention relates to field of mobile phone, particularly a kind ofly be used to improve successional method of mobile TV playing and terminal thereof.
Background technology
Mobile TV is to be equipment with portable mobile terminals such as mobile phones, watches that a kind of technology of audiovisual material is used.At present, realize that the mode that mobile TV is used has two kinds: a kind of is to pass through communication network, as WCDMA (Wideband CDMA, the Wideband Code Division Multiple Access (WCDMA) access technology), TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, the CDMA (Code Division Multiple Access) that the time-division is synchronous) technology such as, by point-to-point mode, realize streaming media playing and demand (telecommunication) service.Owing to used the data service of communication network, thus this implementation expense height, and be easy to be subjected to the influence of mobile communications network online user number, cause playing phenomenons such as time-delay picture pause.And another kind of mode is to use broadcast television technique, it via satellite or the terrestrial broadcasting station realize the covering of ground broadcast signal, as DVB-H (Digital Video Broadcasting-Handheld, the hand-hold type visual radio), CMMB (China Mobile Multimedia Broadcasting, China Mobile's DMB), DVB-T (Digital Video Broadcasting-Terrestrial, terrestrial wireless visual radio) etc.Its feature is an one-to-many, and data tape is roomy, picture quality is fine, and expense is quite cheap.
In present mobile phone broadcast television service, as DVB-H, CMMB, DVB-T etc., all on same frequency, transmit different television channel (program) by the mode of time slot dividing, and the user is when doing the operation of replacing channel, mobile phone (or handheld terminal) generally can stop the picture of current broadcast earlier, and then switches to the channel that the user need change.Cause the discontinuous bad impression of picture, experience lf being influenced to the user.
Summary of the invention
Technical problem to be solved by this invention is that a kind of be used to improve successional method of mobile TV playing and terminal thereof are provided.
In order to address the above problem, the invention discloses a kind of successional method of mobile TV playing that is used to improve, wherein, portable terminal is in the process of playing first channel, when receiving the order that switches to second channel, begin the Data Receiving of described second channel, keep the broadcast of described first channel simultaneously, wait to receive that the packet of second channel stops the broadcast of described first channel later on, begin to play the program of described second channel.
Further, said method further comprises:
When described portable terminal is received switching command, begin the Data Receiving of described second channel, the broadcast that keeps described first channel simultaneously, when receive second channel packet the time, stop the broadcast of described first channel, the packet of the second received channel is carried out preliminary treatment and decompression, begin to play the program of described second channel.
Further, said method further comprises:
When described portable terminal is received switching command, begin the Data Receiving of described second channel, the broadcast that keeps described first channel simultaneously, when receive second channel packet the time, earlier this packet is carried out preliminary treatment, stop the broadcast of described first channel again,, begin to play the program of described second channel pretreated data decompression.
Wherein, when described portable terminal is finished the packet preliminary treatment of second channel that receives, the frame per second of the time T of waiting for according to the next packet audio frequency and video needs of playing second channel and the playing programs of second channel is calculated audio/video frames number N to be played in described time T;
At this moment, described portable terminal a certain frame audio frequency and video from the 1st frame to the M-N+1 frame of pretreated packet decompress and play the program of described second channel, wherein, M is the total number of audio/video frames in the packet of second channel that receives of described portable terminal, and N is a natural number.
Described time T refers to, described portable terminal is finished the time that need wait for to the packet preliminary treatment of second channel that received when receiving the next packet of second channel, with described portable terminal the next complete packet of described second channel is carried out pretreated needed time sum.
The invention also discloses a kind of successional portable terminal of mobile TV playing that is used to improve, comprise the mobile TV processing module, and the parsing module and the receiver module that all link to each other with described mobile TV processing module, wherein:
Described mobile TV processing module, when receiving the switching command that parsing module sends, be used to continue to play the program of first channel, after the packet of second channel of waiting to receive that described receiver module sends, stop to play the program of first channel, begin to play the program of second channel;
Described parsing module in the process of mobile terminal playing first channel, is used to receive the order that Client-initiated switches to second channel, and should order and send to described receiver module and described mobile TV processing module respectively;
Described receiver module when receiving the order that described parsing module sends, begins to receive the packet of described second channel, and the packet of described second channel is sent to described mobile TV processing module.
Further, in the above-mentioned portable terminal, described mobile TV processing module, when receiving the packet of second channel that described receiver module sends, stop to play the program of first channel, the packet of described second channel is carried out preliminary treatment and decompression, begin to play the program of second channel.
Further, in the above-mentioned portable terminal, described mobile TV processing module, when receiving the packet of second channel that described receiver module sends, earlier this packet is carried out preliminary treatment, after preliminary treatment is finished, stop to play the program of first channel again, pretreated data are decompressed, begin to play the program of second channel.
Wherein, described mobile TV processing module, when the packet preliminary treatment of described second channel is finished, the further frame per second of the playing programs of the time T of waiting for according to the next packet audio frequency and video needs of playing second channel and second channel, calculating audio/video frames number N to be played in described time T, stop the broadcast of described first channel again, and arbitrary frame audio frequency and video decompress and play the program of described second channel from the 1st frame to the M-N+1 frame of pretreated packet, wherein, M is the total number of audio/video frames in the packet of second channel that receives of described portable terminal, and N is a natural number.
Described time T refers to, described mobile TV processing module is finished the time that need wait for to the packet preliminary treatment of second channel that received when receiving the next packet of second channel, with described mobile TV processing module the next complete packet of described second channel is carried out pretreated needed time sum.
Technical solution of the present invention makes the cellphone subscriber in carrying out the mobile TV channel handoff procedure, and picture and sound all are continuous, thereby has improved user's audiovisual experience.
Description of drawings
Fig. 1 improves the successional mobile terminal structure schematic diagram of mobile TV playing among the embodiment 1;
Fig. 2 is the flow chart that embodiment 2 realizes the mobile TV channel handover operation;
Fig. 3 is the flow chart that embodiment 3 realizes the mobile TV channel handover operation.
Embodiment
Below in conjunction with drawings and Examples technical solution of the present invention is described in further detail.
Embodiment 1
A kind ofly be used to improve the successional portable terminal of mobile TV playing, as shown in Figure 1, comprise the mobile TV processing module, and the parsing module and the receiver module that all link to each other with the mobile TV processing module.Introduce the function of each module below.
Parsing module is used to receive the Client-initiated channel change command, and this switching command is sent to receiver module and mobile TV processing module respectively;
Receiver module, be used to receive the packet of mobile TV channel, and the packet of receiving sent to the mobile TV processing module, when it receives the switching command of parsing module transmission, begin to receive the to be switched channel packet of (hereinafter being called second channel), the reception that keeps the packet of current channel (hereinafter being called first channel) simultaneously, and treat that channel switches the reception that stops the packet of first channel after finishing, particularly, can behind the packet that receives second channel, stop to receive the packet of first channel, can when stopping to play the program of first channel, stop to receive the packet of first channel, also can when playing the program of second channel, stop to receive the reception of the packet of first channel;
The mobile TV processing module, being used for that the data that receive are handled the back plays, when it receives the switching command of parsing module transmission, continue to play the program of first channel, wait to receive after the packet of second channel that receiver module sends, stop to play the program of first channel, begin to play the program of second channel, particularly, for example, the mobile TV processing module is when receiving for the first time the packet of second channel that receiver module sends, just stop to play the program of first channel, the packet of second channel is carried out preliminary treatment and decompression, begin to play the program of second channel, the mobile TV processing module also can be when receiving for the first time the packet of second channel that receiver module sends, earlier this packet is carried out preliminary treatment, after preliminary treatment is finished, stop to play the program of first channel again, pretreated data are decompressed, begin to play the program of second channel.
In some preferred embodiments, after the packet preliminary treatment to second channel earlier of mobile TV processing module, calculate the time T that current time need be waited for to the next packet audio frequency and video of playing second channel, and the number of video frames N of second channel that can play in the time T, N is by rounding and obtain T * CHB_fps carry, CHB_fps is the frame per second (FPS of second channel, frames per second), this moment is from beginning to decompress through M-N+1 frame audio frequency and video the packet of pretreated second channel, begin to play the program of second channel, certainly in order to guarantee that audio frequency and video leave certain buffering leeway, the mobile TV processing module also can contract since the 1st a certain frame audio frequency and video decompress(ion) to (M-N+1) frame audio frequency and video and play audio frequency and video after decompressing, wherein, M is the total number of the audio/video frames in the packet, and audio/video frames is according to 1,2,3......M-1 the sequence arrangement of M needs during normal play to play successively in order.
Embodiment 2
It is example that present embodiment changes to mobile TV channel CHB with the user from current phone television channel CHA, the portable terminal that embodiment 1 is described is that how to improve audio frequency and video in the mobile TV channel handoff procedure successional, detailed process comprises the steps: as shown in Figure 2
Step 201: the user initiates the mobile TV channel handover operation, switches to CHB from CHA;
Step 202: portable terminal keeps Data Receiving and the broadcast of current C HA, begins to carry out the Data Receiving of CHB simultaneously;
Step 203: wait for receiving a complete CHB packet CHB_a,, enter step 204, otherwise keep waiting for if receive;
Step 204: an audio/video frames (being piece image and corresponding audio) that judges whether to decompress and finish CHA, if enter step 205, otherwise repeat this step;
In order in the process of portable terminal switching channels, to improve the continuity of image, can carry out the operation of above-mentioned steps 204, certainly in other embodiments, also can ignore this step, and after step 203 judgement has received a complete CHB packet CHB_a, the directly operation of execution in step 205.
Step 205: the audio frequency and video of the CHA that playing decompresses in the step 204 finishes, and abandon other data (comprising audio, video data that has decompressed and the CHA packet that is received) of CHA, handle packet CHB_a begins to play the CHB audio frequency and video after finishing dealing with simultaneously;
Step 206: close the reception of CHA data, finish the mobile TV channel handover operation.
In other embodiments, also can when stopping the broadcast of CHA and abandon other packet of CHA, step 205 close the reception of CHA data.
Embodiment 3
It is example that present embodiment changes to mobile TV channel CHB with the user from current phone television channel CHA, the portable terminal that embodiment 1 is described is the problem of image and audio delay when how solving mobile TV channel switching beginning in the mobile TV channel handoff procedure, detailed process comprises the steps as shown in Figure 3
Step 301: the user initiates the mobile TV channel handover operation, switches to CHB from CHA;
Step 302: portable terminal keeps Data Receiving and the broadcast of current C HA, begins to carry out the Data Receiving of CHB simultaneously;
Step 303: judge whether to receive a complete CHB packet CHB_a, if enter step 304, otherwise repeat this step;
Step 304: packet CHB_a is done the preliminary treatment extraction of demultiplexing, audio/video flow compressed package (be etc.), the audio/video flow (i.e. audio frequency and video packed data through directly being used to play after decompressing) that packet CHB_a is converted to can play;
Step 305: an audio/video frames (piece image and the corresponding audio that obtains behind the audio frequency and video packed data decompress(ion) soon) that judges whether to decompress and finish CHA, if enter step 306, otherwise repeat this step;
In order in the process of portable terminal switching channels, to improve the continuity of image, can carry out the operation of above-mentioned steps 305, certainly in other embodiments, also can ignore this step, promptly packet CHB_a is done preliminary treatment after, directly carry out the operation of step 306.
Step 306: calculate to play the time T that next CHB packet CHB_b need wait for, and the number N of audio/video frames to be played among the CHB_a;
In this step, play the time T that next CHB packet CHB_b need wait for, the time interval that is current time when next packet CHB_b converts the audio/video flow that can play to, in the concrete computational process, T is that current time is (when portable terminal is finished the packet preliminary treatment of second channel that received, being made as t) time that need wait for during to the next packet CHB_b that receives second channel (hereinafter claims the very first time, be made as T1), with CHB_b is carried out the pretreated time (hereinafter claiming for second time) sum, wherein, for the television system of determining, the broadcasting station is that the constant of determining (is generally 1s in the time interval that sends between CHB_a and the CHB_b, be made as Tf), though the difference of CHB_a and CHB_b data packet length may cause receiving the time interval difference between complete CHB_a and the CHB_b, but in general differ can be very not big for the adjacent data packet length, therefore for the very first time, can (be made as t according to the current time and the moment that receives complete CHB_a
CHB_a), do relatively accurate estimation, i.e. T1=Tf+t
CHB_a-t; But for second time, because the difference of channel, program, it is different that packet data is processed into the required time of audio and video streams that can play, generally can select for use an empirical data to do roughly assessment.
In the present embodiment, if the frame per second (FPS, frames per second) of CHB is CHB_fps, then the number N of CHB_a picture frame to be played is T * CHB_fps, wherein N is a natural number, and in order to guarantee that the audio frequency and video broadcast can be not interrupted, N need round and obtain T * CHB_fps carry.
Step 307: (M-N+1) frame begins contract audio frequency and video after play decompressing of decompress(ion) from packet CHB_a, and wherein, M is the total number of the audio/video frames among the packet CHB_a, audio/video frames is according to 1,2,3......M-1, the sequence arrangement of M needs during normal play to play successively in order;
In other embodiments, in order to guarantee that audio frequency and video leave certain buffering leeway, the actual number of picture frame to be played may be more than or equal to N in the CHB_a data, at this moment, a certain frame audio frequency and video beginning decompress(ion) of portable terminal in can the 1st frame to the (M-N+1) frame from CHB_a contracts and plays audio frequency and video after decompressing.
Step 308: close the reception of CHA data, finish the switching of mobile phone step.
In other embodiments, also can ignore the operation of above-mentioned steps 306,307, after the complete CHB packet CHB_a that is received is carried out preliminary treatment, directly CHB packet CHB_a be carried out audio frequency and video after decompression and the playback process.
From the foregoing description as can be seen, technical solution of the present invention compared with prior art when the user initiates the mobile TV channel handover operation, can guarantee the continuity of audio and video stream, thereby the better stage body that changes of realization is tested.
Certainly; the present invention can also have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1, a kind ofly be used to improve the successional method of mobile TV playing, it is characterized in that,
Portable terminal is in the process of playing first channel, when receiving the order that switches to second channel, begin the Data Receiving of described second channel, the broadcast that keeps described first channel simultaneously, wait to receive that the packet of second channel stops the broadcast of described first channel later on, begin to play the program of described second channel.
2, the method for claim 1 is characterized in that, this method further comprises:
When described portable terminal is received switching command, begin the Data Receiving of described second channel, the broadcast that keeps described first channel simultaneously, when receive second channel packet the time, stop the broadcast of described first channel, the packet of the second received channel is carried out preliminary treatment and decompression, begin to play the program of described second channel.
3, the method for claim 1 is characterized in that, this method further comprises:
When described portable terminal is received switching command, begin the Data Receiving of described second channel, the broadcast that keeps described first channel simultaneously, when receive second channel packet the time, earlier this packet is carried out preliminary treatment, stop the broadcast of described first channel again,, begin to play the program of described second channel pretreated data decompression.
4, method as claimed in claim 3 is characterized in that,
When described portable terminal is finished the packet preliminary treatment of second channel that receives, the frame per second of the time T of waiting for according to the next packet audio frequency and video needs of playing second channel and the playing programs of second channel is calculated audio/video frames number N to be played in described time T;
At this moment, described portable terminal a certain frame audio frequency and video from the 1st frame to the M-N+1 frame of pretreated packet decompress and play the program of described second channel, wherein, M is the total number of audio/video frames in the packet of second channel that receives of described portable terminal, and N is a natural number.
5, method as claimed in claim 4 is characterized in that,
Described time T refers to, described portable terminal is finished the time that need wait for to the packet preliminary treatment of second channel that received when receiving the next packet of second channel, with described portable terminal the next complete packet of described second channel is carried out pretreated needed time sum.
6, a kind ofly be used to improve the successional portable terminal of mobile TV playing, it is characterized in that, comprise the mobile TV processing module, and the parsing module and the receiver module that all link to each other with described mobile TV processing module, wherein:
Described mobile TV processing module, when receiving the switching command that parsing module sends, be used to continue to play the program of first channel, after the packet of second channel of waiting to receive that described receiver module sends, stop to play the program of first channel, begin to play the program of second channel;
Described parsing module in the process of mobile terminal playing first channel, is used to receive the order that switches to second channel, and should order and send to described receiver module and described mobile TV processing module respectively;
Described receiver module when receiving the order that described parsing module sends, begins to receive the packet of described second channel, and the packet of described second channel is sent to described mobile TV processing module.
7, portable terminal as claimed in claim 6 is characterized in that,
Described mobile TV processing module when receiving the packet of second channel that described receiver module sends, stops to play the program of first channel, and the packet of described second channel is carried out preliminary treatment and decompression, begins to play the program of second channel.
8, portable terminal as claimed in claim 6 is characterized in that,
Described mobile TV processing module when receiving the packet of second channel that described receiver module sends, is carried out preliminary treatment to this packet earlier, after preliminary treatment is finished, stop to play the program of first channel again, pretreated data are decompressed, begin to play the program of second channel.
9, portable terminal as claimed in claim 8 is characterized in that,
Described mobile TV processing module, when the packet preliminary treatment of described second channel is finished, the further frame per second of the playing programs of the time T of waiting for according to the next packet audio frequency and video needs of playing second channel and second channel, calculating audio/video frames number N to be played in described time T, stop the broadcast of described first channel again, and arbitrary frame audio frequency and video decompress and play the program of described second channel from the 1st frame to the M-N+1 frame of pretreated packet, wherein, M is the total number of audio/video frames in the packet of second channel that receives of described portable terminal, and N is a natural number.
10, portable terminal as claimed in claim 9 is characterized in that,
Described time T refers to, described mobile TV processing module is finished the time that need wait for to the packet preliminary treatment of second channel that received when receiving the next packet of second channel, with described mobile TV processing module the next complete packet of described second channel is carried out pretreated needed time sum.
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| CN2009101272784A CN101521817B (en) | 2009-03-17 | 2009-03-17 | Method and terminal for improving mobile telephone television program broadcasting continuity |
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| CN2009101272784A CN101521817B (en) | 2009-03-17 | 2009-03-17 | Method and terminal for improving mobile telephone television program broadcasting continuity |
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Cited By (6)
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| CN101951505A (en) * | 2010-09-19 | 2011-01-19 | 宇龙计算机通信科技(深圳)有限公司 | Play control method for mobile television and mobile terminal |
| CN102905188A (en) * | 2012-11-01 | 2013-01-30 | 北京奇艺世纪科技有限公司 | Video code stream switching method and device |
| CN103533437A (en) * | 2013-10-30 | 2014-01-22 | 乐视致新电子科技（天津）有限公司 | Method and device for switching channels of smart television |
| CN103873936A (en) * | 2012-12-10 | 2014-06-18 | 联想(北京)有限公司 | Playing method and electronic device |
| WO2014187421A1 (en) * | 2013-09-18 | 2014-11-27 | 中兴通讯股份有限公司 | Iptv channel switching method and apparatus and terminal |
| WO2017107385A1 (en) * | 2015-12-21 | 2017-06-29 | 深圳Tcl数字技术有限公司 | Video playing control method and apparatus |
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| CN102355599A (en) * | 2011-09-27 | 2012-02-15 | 宇龙计算机通信科技(深圳)有限公司 | {0><}0{>Method and system for controlling display device<0} |
| TWI508536B (en) * | 2014-12-02 | 2015-11-11 | Kauo Shun Huang | A video-audio signal adjusting device and method thereof |
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| CN1214633C (en) * | 1998-09-16 | 2005-08-10 | Actv公司 | Compressed digital-data seamless video switching system |
| SE520746C2 (en) * | 1999-05-17 | 2003-08-19 | Omicron Ceti Ab | Device for channel switching in a digital TV reception system |
| JP2007116559A (en) * | 2005-10-21 | 2007-05-10 | Toyota Motor Corp | Broadcast receiver |
| CN101267537A (en) * | 2007-03-14 | 2008-09-17 | 华为技术有限公司 | Method and system for switching network TV service |
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| CN101951505A (en) * | 2010-09-19 | 2011-01-19 | 宇龙计算机通信科技(深圳)有限公司 | Play control method for mobile television and mobile terminal |
| CN102905188A (en) * | 2012-11-01 | 2013-01-30 | 北京奇艺世纪科技有限公司 | Video code stream switching method and device |
| CN103873936A (en) * | 2012-12-10 | 2014-06-18 | 联想(北京)有限公司 | Playing method and electronic device |
| CN103873936B (en) * | 2012-12-10 | 2017-12-01 | 联想(北京)有限公司 | A kind of player method and electronic equipment |
| WO2014187421A1 (en) * | 2013-09-18 | 2014-11-27 | 中兴通讯股份有限公司 | Iptv channel switching method and apparatus and terminal |
| CN104469541A (en) * | 2013-09-18 | 2015-03-25 | 中兴通讯股份有限公司 | IPTV channel switching method, IPTV channel switching device and terminal |
| CN103533437A (en) * | 2013-10-30 | 2014-01-22 | 乐视致新电子科技（天津）有限公司 | Method and device for switching channels of smart television |
| WO2017107385A1 (en) * | 2015-12-21 | 2017-06-29 | 深圳Tcl数字技术有限公司 | Video playing control method and apparatus |
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Effective date of registration: 20170824 Address after: 224242 Yancheng City Dongtai city in Jiangsu province Jiang Gang Zhen Wang Gang four neighborhood No. 21 Co-patentee after: Shang Jine Patentee after: Huang Zheng Co-patentee after: Jiang Jundong Co-patentee after: Bian Jinmei Co-patentee after: Dai Hongtao Address before: 518057 Nanshan District high tech Industrial Park, Guangdong, South Road, science and technology, ZTE building, legal department Patentee before: ZTE Corporation |
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Inventor after: Huang Zheng Inventor after: Shang Jine Inventor after: Jiang Jundong Inventor after: Bian Jinmei Inventor after: Dai Hongtao Inventor before: Wang Junpeng |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20180317 |